Hi @JJ1974 - changing your Optus Sport email address can vary depending on how you signed up. Just to confirm, did you purchase your subscription via the Apple App Store / Google Play Store or was it included with your Optus plan?
Thanks for clarifying @JJ1974
In that case, we should be able to update your email on our end.
Can you please shoot me a private message with the following info:
Are you the primary account holder: Y/N
Date of birth:
Email address you'd like to use:
Once we have that, we'll check it out.